ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,558, issued on Oct. 27, was assigned to SOLENIS TECHNOLOGIES LP (Wilmington, Del.).
"Black liquor treatment" was invented by Daniel Joseph Nicholson (Swarthmore, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions and methods for minimizing fouling and/or reducing the viscosity of black liquor in a Kraft pulping process are provided. An exemplary composition includes an anionic sulfate or sulfonate surfactant; an anionic sulfate or sulfonate dispersant; and a nonionic alkoxylated surfactant."
The patent was filed on Oct. 19, 2023, under Application No. 18/490,110.
*For further information, including images, charts and tables, please vi...